<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="vue.js"></script>
    <script src="index.js"></script>
    <link rel="stylesheet" href="index.css">
</head>
<body>
<div id="app">
    <template>
        <el-button :plain="true" @click="open2">成功</el-button>
        <el-button :plain="true" @click="open3">警告</el-button>
        <el-button :plain="true" @click="open1">消息</el-button>
        <el-button :plain="true" @click="open4">错误</el-button>
    </template>
</div>
</body>
<script>
var app=new Vue({
    el:"#app",
    methods: {
        open1() {
            this.$message('这是一条消息提示');
        },
        open2() {
            this.$message({
                message: '恭喜你，这是一条成功消息',
                type: 'success'
            });
        },

        open3() {
            this.$message({
                message: '警告哦，这是一条警告消息',
                type: 'warning'
            });
        },

        open4() {
            this.$message.error('错了哦，这是一条错误消息');
        }
    }

    })
</script>
</html>